package com.sky.controller.admin;


import com.sky.constant.MessageConstant;
import com.sky.result.Result;
import com.sky.utils.AliOssUtil;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.multipart.MultipartFile;

import java.io.IOException;
import java.util.UUID;

/**
 * 通用接口

 */
@RestController
@RequestMapping("/admin/common")
@Slf4j
@Api(tags = "通用接口")
public class CommonController {

    @Autowired
    private AliOssUtil aliOssUtil;

    /**
     * @param file
     * @return
     */
    @PostMapping("/upload")
    @ApiOperation("文件上传")
    public Result<String> upload(@RequestBody MultipartFile file){
        log.info("文件上传:{}",file);

        //上传到阿里云服务器(前置是创建了自己的阿里云Oss)
        try {
            //上传时 原始的文件名
            String originalFilename = file.getOriginalFilename();
            //截取原始文件的后缀 dfdf.png
            String extention=originalFilename.substring(originalFilename.lastIndexOf("."));
            //构造新文件名称
            String objectname=UUID.randomUUID().toString() + extention;//用uuid生成一个新的文件名 防止重名
            //文件的路径
           String filePath = aliOssUtil.upload(file.getBytes(),objectname);
           return Result.success(filePath);
        } catch (IOException e) {
            e.printStackTrace();
            log.error("文件上传失败:{}",e);
        }
        return  Result.error(MessageConstant.UPLOAD_FAILED);//通过常量返回文件上传失败
    }

}
